This is a wahoo fishing game plan for the Thunderbolt wreck off Marathon. It’s built from the new SatFish HD bathymetry chart (a high-definition map of the ocean floor) below and the daily tide data from the closest NOAA station. The Thunderbolt sits on the 20-fathom (120 ft) line — that’s the exact edge where the reef drops off… READ MORE
How to Use SatFish to Read the Water
Check out these articles and videos from our team of SatFish Ambassadors and contributors to learn how to use SatFish to see important currents and breaks for your local region, improve your offshore fishing game, and catch more of your favorite gamefish.
Want to find and catch more Mahi? Captain Matt with Marathon Sportfishing breaks down how he locates and catches mahi, including what he looks for when deciding where to spend his time on the water. Finding productive water before you leave the dock can make a big difference when targeting mahi. Using SatFish, Captain Matt… READ MORE
Sea surface height—altimetry in scientific parlance—tells you a lot about the oceanic environment and where you might catch more fish. As you peruse SatFish and check out all the angling-centric intel available to you in addition to the SST data we all know and love, you’ll undoubtedly come across altimetry. This is sea surface height,… READ MORE
Most people think of flounder as a deepwater fish, but the early season offers a unique opportunity to catch them on shallow flats with light tackle. When it comes to fishing for flounder—fluke, if you live north of the Mason-Dixon line—most people envision drift fishing in deep water along channel edges or at reef sites. And… READ MORE
In this video, D&D Fishing breaks down how they used satellite water temp/current data to find the tuna, goes through exactly what gear they brought and why, shows the actual footage from the fight, and wraps up with their honest take on what worked, what they’d change, and whether they’d run the light setup again.
Understanding these key traits of yellowfin tuna will help you catch more of them. We anglers are forever trying to get into our quarry’s head to figure out where those fish will be and how to catch them. And unsurprisingly, the best anglers are usually those who have the experience and wits to predict, at… READ MORE

